1316376565 has 64 divisors (see below), whose sum is σ = 1912135680. Its totient is φ = 851316480.

The previous prime is 1316376547. The next prime is 1316376571. The reversal of 1316376565 is 5656736131.

It is not a de Polignac number, because 1316376565 - 2²¹ = 1314279413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9470266 + ... + 9470404.

It is an arithmetic number, because the mean of its divisors is an integer number (29877120).

Almost surely, 2^1316376565 is an apocalyptic number.

It is an amenable number.

1316376565 is a deficient number, since it is larger than the sum of its proper divisors (595759115).

1316376565 is a wasteful number, since it uses less digits than its factorization.

1316376565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its digits is 340200, while the sum is 43.

The square root of 1316376565 is about 36281.9040983243. The cubic root of 1316376565 is about 1095.9566613677.

The spelling of 1316376565 in words is "one billion, three hundred sixteen million, three hundred seventy-six thousand, five hundred sixty-five".